20199559341

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{29}}^2\times {\mathrm{2131}}^1$

素因数の和:2239

約数の個数: 72

約数和(自身を含む): 31925062624

約数和(自身を除く): 11725503283

約数列:

[1, 3, 13, 17, 29, 39, 51, 87, 221, 289, 377, 493, 663, 841, 867, 1131, 1479, 2131, 2523, 3757, 6393, 6409, 8381, 10933, 11271, 14297, 19227, 25143, 27703, 32799, 36227, 42891, 61799, 83109, 108681, 108953, 185397, 185861, 243049, 326859, 470951, 557583, 615859, 729147, 803387, 1050583, 1412853, 1792171, 1847577, 2410161, 3151749, 3159637, 5376513, 8006167, 9478911, 13657579, 17859911, 23298223, 24018501, 30466907, 40972737, 53579733, 69894669, 91400721, 232178843, 396069791, 517937419, 696536529, 1188209373, 1553812257, 6733186447, 20199559341]

約数ペア:

[(1, 20199559341), (3, 6733186447), (13, 1553812257), (17, 1188209373), (29, 696536529), (39, 517937419), (51, 396069791), (87, 232178843), (221, 91400721), (289, 69894669), (377, 53579733), (493, 40972737), (663, 30466907), (841, 24018501), (867, 23298223), (1131, 17859911), (1479, 13657579), (2131, 9478911), (2523, 8006167), (3757, 5376513), (6393, 3159637), (6409, 3151749), (8381, 2410161), (10933, 1847577), (11271, 1792171), (14297, 1412853), (19227, 1050583), (25143, 803387), (27703, 729147), (32799, 615859), (36227, 557583), (42891, 470951), (61799, 326859), (83109, 243049), (108681, 185861), (108953, 185397)]